why we provide plastic sheet under lean concrete/pcc.?




Answers were Sorted based on User's Feedback



why we provide plastic sheet under lean concrete/pcc.?..

Answer / muthukumar

Firstly your question is not specfic any how we have
certain minimum standards to follow as per standard.

1.Usually incase of Concrete screed (Floors) laid above the
plastic sheet beacuse to prevent the concrete in direct
contact with soil which may have some active chemical will
directly react with concrete and alter its property.

2.Specially at foundation where the capillary rise of water
is there plastic sheet or layer sand is used to reduce the
capillary rise of water into the structure

Is This Answer Correct ?    30 Yes 3 No

why we provide plastic sheet under lean concrete/pcc.?..

Answer / neel

to make shuttering water tight. whilw concreeting cement
slurry wastege is more through shuttering to prevent that
polythene sheet is used.

Is This Answer Correct ?    3 Yes 13 No

Post New Answer




More Civil Engineering Interview Questions

1. why we use inverted beam ? 2.why we use extra bar in beam ? 3.dimension in L-bar in column ,footing and beam

2 Answers  


Significance/Uses/effect of Rolling Margin ?

1 Answers  


What is the difference between Backfilling & Refilling in Earth Work Group Item ?

3 Answers  


1:6 ratio block work purpose how much cement used

1 Answers   Spago, VRC Constructions,


How many number of bars used in circular columns? Explain WHY?

5 Answers  






is basic cost of the material includes tax?

0 Answers  


what is the use of steel rods of 16mm or 20mm used for 4.45mts for closing gutter.one mate consumes how many kgs with a gap of 6inches.

0 Answers   HSSB, JSW,


what is the voice of ratio ?

1 Answers   Power Grid, PMG,


howto calculate the quantities of material used in fly ash brick after finding the volume??

0 Answers  


What is the purpsoe of FTA and MTA plumbing??? Is there any books which can provide details of lumbing fittings and its requirement??

1 Answers  


if there is no alternative of silty sand avail near ,then how it is used in cement mortar or concreting?

2 Answers  


what is the difference between 2 legged to 4 legged stirrups?

1 Answers   VRC Constructions,






Categories
  • Civil Engineering Interview Questions Civil Engineering (4622)
  • Mechanical Engineering Interview Questions Mechanical Engineering (3695)
  • Electrical Engineering Interview Questions Electrical Engineering (15736)
  • Electronics Communications Interview Questions Electronics Communications (2633)
  • Chemical Engineering Interview Questions Chemical Engineering (761)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (79)
  • Bio Engineering Interview Questions Bio Engineering (30)
  • Metallurgy Interview Questions Metallurgy (95)
  • Industrial Engineering Interview Questions Industrial Engineering (199)
  • Instrumentation Interview Questions Instrumentation (2868)
  • Automobile Engineering Interview Questions Automobile Engineering (171)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (41)
  • Marine Engineering Interview Questions Marine Engineering (60)
  • Power Plant Engineering Interview Questions Power Plant Engineering (168)
  • Engineering AllOther Interview Questions Engineering AllOther (1331)